Specific Heat Capacity

At a given temperature, the specific heat of a gas at constant pressure is always greater than its specific heat at constant volume.

An insulated box containing a diatomic gas of molar mass $M$ is moving with velocity $v$. The box is suddenly stopped. The resulting change in temperature is $\frac{m{v}^2}{fR}$. What will be the value of $f$?

The specific heat capacity of water is less than that of steam.

The specific heat capacity of water is less than that of ice.

The specific heat capacity of water is less than that of aluminium.

Define molar specific heat capacity at constant volume and pressure.

A container has 4.2 litres of water at $40 {}^{°}\mathrm{C}$. Heat required to boil water in $\mathrm{kJ}$ is

The amount of heat required to raise the temperature of $1 \mathrm{kg}$ mass of water through $1 \mathrm{K}$ is called its

Define heat capacity and write its unit.

A molecule of a gas has six degrees of freedom. Then, the molar specific heat of the gas at constant volume is

One gram mole of an ideal gas $A$ with the ratio of constant pressure and constant volume specific heats ${\gamma }_A=\frac{5}{3}$ is mixed with $n$ gram moles of another ideal gas $B$ with ${\gamma }_B=\frac{7}{5}$. If the $\gamma$ for the mixture is $\frac{19}{13}$, then what will be the value of $n$?

How much heat energy (in $\mathrm{kcal}$) is necessary to raise the temperature of $5 \mathrm{kg}$ of water from $20℃$ to $100℃$?

Specific heat of an ideal gas at constant volume $C_v$ and at constant pressure $C_p$ are related to universal gas constant are as

An ideal monatomic gas is carried along the cycle $ABCDA$ as shown in the figure. The total heat absorbed in this process is

How the change in specific heat of the water can be explained at low temperatures?

Which statement is false for specific heat of water?

A source of heat supplies heat at a constant rate to a solid cube. The slope of portion $\mathrm{CD}$ of the graphs gives :-

Calorie is defined as the amount of heat required to raise temperature of $1 \mathrm{g}$ of water by $1°\mathrm{C}$ and it is defined under which of the following conditions :-

For the next three questions

An ideal diatomic gas is expanded so that the amount of heat transferred to the gas is equal to the decrease in its internal energy.

The molar specific heat of the gas in this process is given by C whose value is

The energy in food is measured in _____. (Fahrenheit/ calorie/ Celsius/ metre)